[PATCH 2/2] wined3d: Pass a wined3d_device pointer to wined3d_from_cs().

Henri Verbeet hverbeet at gmail.com
Mon Jul 5 07:28:31 CDT 2021


On Sun, 4 Jul 2021 at 16:49, Giovanni Mascellani
<gmascellani at codeweavers.com> wrote:
> Il 03/07/21 17:42, Stefan Dösinger ha scritto:
> > Am Freitag, 2. Juli 2021, 17:09:50 CEST schrieb Jan Sikorski:
> >> I guess it’s to force a memory load on each call, which could be omitted if
> >> the function is inlined. X86 loads are atomic IIRC. - Jan
> >
> > It was necessary to make ARM CPUs re-load the data from memory. gcc inlines
> > the function and would put both head and tail in a register and loop forever.
>
> My understanding is that this solution is not correct. As far is I
> understand, the "volatile" qualifier doesn't force the generation of
> appropriate fencing and doesn't protect you from data races:

Well, yes, it doesn't. Are you saying we need those here though?



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